| 48 | sys.stderr.write(__doc__ % globals()) |
| 49 | |
| 50 | def main(args): |
| 51 | try: |
| 52 | opts, args = getopt.getopt(args, "hbrdag", |
| 53 | ["hash", "btree", "recno", "dbm", |
| 54 | "gdbm", "anydbm"]) |
| 55 | except getopt.error: |
| 56 | usage() |
| 57 | return 1 |
| 58 | |
| 59 | if len(args) == 0 or len(args) > 2: |
| 60 | usage() |
| 61 | return 1 |
| 62 | elif len(args) == 1: |
| 63 | dbfile = args[0] |
| 64 | pfile = sys.stdout |
| 65 | else: |
| 66 | dbfile = args[0] |
| 67 | try: |
| 68 | pfile = open(args[1], 'wb') |
| 69 | except IOError: |
| 70 | sys.stderr.write("Unable to open %s\n" % args[1]) |
| 71 | return 1 |
| 72 | |
| 73 | dbopen = None |
| 74 | for opt, arg in opts: |
| 75 | if opt in ("-h", "--hash"): |
| 76 | try: |
| 77 | dbopen = bsddb.hashopen |
| 78 | except AttributeError: |
| 79 | sys.stderr.write("bsddb module unavailable.\n") |
| 80 | return 1 |
| 81 | elif opt in ("-b", "--btree"): |
| 82 | try: |
| 83 | dbopen = bsddb.btopen |
| 84 | except AttributeError: |
| 85 | sys.stderr.write("bsddb module unavailable.\n") |
| 86 | return 1 |
| 87 | elif opt in ("-r", "--recno"): |
| 88 | try: |
| 89 | dbopen = bsddb.rnopen |
| 90 | except AttributeError: |
| 91 | sys.stderr.write("bsddb module unavailable.\n") |
| 92 | return 1 |
| 93 | elif opt in ("-a", "--anydbm"): |
| 94 | try: |
| 95 | dbopen = anydbm.open |
| 96 | except AttributeError: |
| 97 | sys.stderr.write("dbm module unavailable.\n") |
| 98 | return 1 |
| 99 | elif opt in ("-g", "--gdbm"): |
| 100 | try: |
| 101 | dbopen = gdbm.open |
| 102 | except AttributeError: |
| 103 | sys.stderr.write("dbm.gnu module unavailable.\n") |
| 104 | return 1 |
| 105 | elif opt in ("-d", "--dbm"): |
| 106 | try: |
| 107 | dbopen = dbm.open |